Finding the Fourth Proportional to 19,667.82, 27,141.90 and 10,715.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.82 : 27,141.90 = 10,715.34 : x
2. Step 2: Convert to fraction form
   19,667.82/27,141.90 = 10,715.34/x
3. Step 3: Cross multiply
   19,667.82x = 27,141.90 × 10,715.34
4. Step 4: Simplify right side
   19,667.82x = 290,834,686.75
5. Step 5: Solve for x
   x = 290,834,686.75/19,667.82
6. Step 6: Final answer
   x = 14,787.34